Base | Representation |
---|---|
bin | 1000011001110… |
… | …11011111101111 |
3 | 11220122200110200 |
4 | 10030323133233 |
5 | 121021421122 |
6 | 10555004543 |
7 | 1514140236 |
oct | 414733757 |
9 | 156580420 |
10 | 70498287 |
11 | 36881452 |
12 | 1b739753 |
13 | 117b4582 |
14 | 9511b1d |
15 | 62c85ac |
hex | 433b7ef |
70498287 has 6 divisors (see below), whose sum is σ = 101830872. Its totient is φ = 46998852.
The previous prime is 70498277. The next prime is 70498301. The reversal of 70498287 is 78289407.
It is not a de Polignac number, because 70498287 - 218 = 70236143 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70498277) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3916563 + ... + 3916580.
It is an arithmetic number, because the mean of its divisors is an integer number (16971812).
Almost surely, 270498287 is an apocalyptic number.
70498287 is a deficient number, since it is larger than the sum of its proper divisors (31332585).
70498287 is a wasteful number, since it uses less digits than its factorization.
70498287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7833149 (or 7833146 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The square root of 70498287 is about 8396.3258035881. The cubic root of 70498287 is about 413.1041153787.
The spelling of 70498287 in words is "seventy million, four hundred ninety-eight thousand, two hundred eighty-seven".
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